Base | Representation |
---|---|
bin | 1111111001010001… |
… | …10101100001100101 |
3 | 211000201100021110112 |
4 | 13330220311201211 |
5 | 114434040440400 |
6 | 3530435102405 |
7 | 421316546216 |
oct | 77450654145 |
9 | 24021307415 |
10 | 8533530725 |
11 | 3689a56a35 |
12 | 17a1a41a05 |
13 | a5cc38285 |
14 | 5ad4ab40d |
15 | 34e288835 |
hex | 1fca35865 |
8533530725 has 12 divisors (see below), whose sum is σ = 11041647456. Its totient is φ = 6530005680.
The previous prime is 8533530721. The next prime is 8533530727. The reversal of 8533530725 is 5270353358.
It is a happy number.
It is not a de Polignac number, because 8533530725 - 22 = 8533530721 is a prime.
It is a super-2 number, since 2×85335307252 (a number of 21 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8533530721) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7419887 + ... + 7421036.
It is an arithmetic number, because the mean of its divisors is an integer number (920137288).
Almost surely, 28533530725 is an apocalyptic number.
It is an amenable number.
8533530725 is a deficient number, since it is larger than the sum of its proper divisors (2508116731).
8533530725 is a wasteful number, since it uses less digits than its factorization.
8533530725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14840956 (or 14840951 counting only the distinct ones).
The product of its (nonzero) digits is 378000, while the sum is 41.
The square root of 8533530725 is about 92377.1114778980. Note that the first 3 decimals coincide. The cubic root of 8533530725 is about 2043.5075761672.
The spelling of 8533530725 in words is "eight billion, five hundred thirty-three million, five hundred thirty thousand, seven hundred twenty-five".
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